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Is there a particular UV light that is best for fish hatcheries? Do UV lights come in different frequencies?

2006-09-13 23:28:32 · 1 answers · asked by busola h 2 in Environment

1 answers

There is a high and low uv called A ,B uv and the high is dangerous.

2006-09-14 03:05:13 · answer #1 · answered by JOHNNIE B 7 · 0⤊ 0⤋

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